Apache Axis2/C Version 1.5.0

ASF Releases Apache Axis2/C Version 1.5.0

Apache Software Foundation. July 21, 2008.

Apache Software Foundation developers announced the release of Apache Axis2/C Version 1.5.0.

Apache Axis (1.X) is an implementation of the Simple Object Access Protocol (SOAP); Apache Axis2 is a redesign of Axis (1.X) supporting SOAP 1.2/SOAP1.2/REST/and more.

Overview

Apache Axis2/C is a Web services engine implemented in the C programming language. It is based on the extensible and flexible Axis2 architecture. Apache Axis2/C can be used to provide and consume WebServices. It has been implemented with portability and ability to embed in mind, hence could be used as a Web services enabler in other software.

Apache Axis2/C supports SOAP 1.1 and SOAP 1.2, as well as REST style of Webservices. A single service could be exposed both as a SOAP style as well as a REST style service simultaneously. It also has built in MTOM support, that can be used to exchange binary data.

Apache Axis2/C is efficient, modular and is designed with extensibility. The extensible design allows it to support the full WS-* stack with the concept of modules. Apache Axis2/C is the Web services engine that supports the most number of WS-* specification implementations in C, with guaranteed interoperability. This enables using C in Service Oriented Architecture (SOA) implementations, and would be very useful when integrating legacy systems into SOA.

The following WS-* specifications are supported, either as built in modules or as separate Apache projects:

WS-Addressing: Built in to Axis2/C
WS-Policy: Built in to Axis2/C
WS-Security: Implemented by Apache Rampart/C project
WS-SecurityPolicy: Built in to Axis2/C
WS-ReliableMessaging: Implemented by Apache Sandesha2/Cproject
WS-Eventing: Implemented by Apache Savan/Cproject

Apache Axis2/C Version 1.5.0 Key Features

Support for one-way messaging (In-Only) and request response messaging (In-Out)
Client APIs: Easy to use service client API and more advanced operation client API
Transports supported: HTTP
- Inbuilt HTTP server called simple axis server
- Apache2 httpd module called mod_axis2 for server side
- IIS module for server side. Support IIS 5.1, 6 and 7
- Client transport with ability to enable SSL support
- Basic HTTP Authentication
- libcurl based client transport
- AMQP Transport support using Apache Qpid
Module architecture, mechanism to extend the SOAP processing model
WS-Addressing support, both the submission (2004/08) and final (2005/08) versions, implemented as a module
MTOM/XOP support
AXIOM, an XML object model optimized for SOAP 1.1/1.2 messages; This has complete XML infoset support
XML parser abstraction
- Libxml2 wrapper
- Guththila pull parser support
Both directory based and archive based deployment models for deploying services and modules
Description hierarchy providing access to static data of Axis2/C runtime (configuration, service groups, services, operations and messages)
Context hierarchy providing access to dynamic Axis2/C runtime information (corresponding contexts to map to each level of description hierarchy)
Message receiver abstraction
- Inbuilt raw XML message receiver
Code generation tool for stub and skeleton generation for a given WSDL (based on Java tool)
- Axis Data Binding (ADB) support
Transport proxy support
REST support (more POX like) using both HTTP POST and GET
Comprehensive documentation
- Axis2/C Manual
WS-Policy implementation called Neethi/C, with WS-SecurityPolicy extension
TCP Transport, for both client and server side

Changes Since Last Release

AMQP Transport support with Apache Qpid
Modifications to IIS Module to support IIS 6 and 7
Added a JScript file to automate IIS module registry configuration
Improved the in-only message handling
Specifying the MEP in the services.xml for non in-out messages made mandatory
Improvements to Guthtila for better performance
Improvements to TCPMon tool
Memory leak fixes
Bug fixes

References

[Announcement source]

Prepared by Robin Cover for The XML Cover Pages archive.

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